Question: Why are two phases of meiosis necessary?
Answer: In order to both reduce the chromosome number and separate sister chromatids.
I don't know if this helps, but I hope it did. Have a good day. c;
Answer:
It moves by diffusion through small holes in the underside of the leaf called stomata.These let carbon dioxide reach the other cells in the leaf, and also let the oxygen produced in photosynthesis leave the leaf easily.
The most active geothermal resources are usually found along major tectonic plate boundaries where most volcanoes are located. One of the most active geothermal areas in the world is called the Ring of Fire, which encircles the Pacific Ocean.
When magma comes near the earth's surface, it heats ground water trapped in porous rock or water running along fractured rock surfaces and faults. Hydrothermal features have two common ingredients: water (hydro) and heat (thermal).
Geologists use various methods to find geothermal reservoirs. Drilling a well and testing the temperature deep underground is the most reliable method for locating a geothermal reservoir.
Suppose that the central c-g base pair in the dna molecule below is substituted by an a-t base pair. The most likely result of this mutation is genetic variation. Genetic variation<span> is brought about by mutation, which is a permanent change in the chemical structure of chromosomes.</span>